Question

[(- 315) +135]- [ 315+ (- 685)]

giúp mik gấp vs ạ

Answer 1

=-315+135-315+685

=820-630

=190

Answer 2

\([(- 315) +135]- [ 315+ (- 685)] \)

\(=[-180-(-370)]\)

\(=190\)